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dynamic page break for tables

Subject: dynamic page break for tables
From: Mathis Mörke <mathis.moerke@xxxxxxxxxxxxxx>
Date: Mon, 18 Jul 2011 13:50:08 +0200
 dynamic page break for tables
Dear all,

I am experiencing an problem with keep-together.within-page. I work
with FOP Apache Version 0.95.
A short intro of my plan: I use xsl-fo as a style sheet for generating
reports out of Matlab. I'd like to have only one style sheet for 2
different types of reports. The main difference between both reports
are the layout of tables. The first report uses tables which fit to a
single page. The other report contains tables which can cause an
overflow. But thats not the problem. The crux is the following: The
table does not use <xsl:table> because FOP Apache does not support
captions of tables. To keep title, data and caption on a single page,
I use blocks and keep-together.within-page="always". But this does not
work in the second report because of an overflow. This is pretty clear
to me because of keep-together.within-page="always". Now, I am
searching for a method which combines both aspects. I would like to
avoid another template .. What I tried so far: Upgrade to version 1.0
to use integers for keep-together.within-page; avoid
keep-together.within-page and use keep-with-next with integers; ....
But it does not work ...

<xsl:template match="table">
		
		
	<fo:block span="all" space-before="1.5cm" space-after="1.5cm"
keep-together.within-page="always" start-indent="4%">


		<fo:block font-size="10pt" space-after="3mm">
			<xsl:text>Table </xsl:text>
			<xsl:value-of select="1 + count(preceding::chapter)" />
			<xsl:text>.</xsl:text>

			
			<xsl:if test="parent::chapter">
				<xsl:value-of select="count(preceding-sibling::table)
					+ count(preceding-sibling::section/descendant::table)
					- count(preceding-sibling::section/descendant::elementrow/table)
					+1" />	
						
			</xsl:if>

			<xsl:if test="parent::section">
				<xsl:value-of select="count(preceding-sibling::table)
					+ count(preceding-sibling::subesction/descendant::table)
					- count(preceding-sibling::subesction/descendant::elementrow/table)
					+ count(parent::*/preceding-sibling::table)	
					+ count(parent::*/preceding-sibling::section/descendant::table)
					- count(parent::*/preceding-sibling::section/descendant::elementrow/table)
				 	+ 1" />
			</xsl:if>

			<xsl:if test="parent::subsection">
				<xsl:value-of select="count(preceding-sibling::table)
					+ count(parent::*/preceding-sibling::table)
					+ count(parent::*/preceding-sibling::subsection/descendant::table)
					- count(parent::*/preceding-sibling::subsection/descendant::elementrow/table)
					+ count(parent::*/parent::*/preceding-sibling::table)
					+ count(parent::*/parent::*/preceding-sibling::section/descendant::table)
					- count(parent::*/parent::*/preceding-sibling::section/descendant::elementrow/table)
					+1" />
			</xsl:if>	

			<xsl:text>: </xsl:text>
			<xsl:value-of select="@title" />
		</fo:block>
		
    	<fo:block>
			
			<fo:block>
				<fo:table table-layout="fixed" space-after="3mm">
					<xsl:attribute name="width">
						<xsl:choose>
							<xsl:when test="count(./tabledataset[1]/@*)=2">60%</xsl:when>
							<xsl:when test="count(./tabledataset[1]/@*)=3">70%</xsl:when>
							<xsl:when test="count(./tabledataset[1]/@*)=4">80%</xsl:when>
							<xsl:when test="count(./tabledataset[1]/@*)=5">90%</xsl:when>
							<xsl:otherwise>96%</xsl:otherwise>
						</xsl:choose>
					</xsl:attribute>
					<fo:table-column column-width="proportional-column-width(1)">
						<xsl:attribute name="number-columns-repeated">
							<xsl:value-of select="count(./tabledataset[1]/@*)" />
						</xsl:attribute>
					</fo:table-column>
					<fo:table-header start-indent="0%">
						<xsl:apply-templates select="tableheader" />
					</fo:table-header>
					<fo:table-body start-indent="0%">
						<xsl:apply-templates select="tabledataset" />
					</fo:table-body>
				</fo:table>
			</fo:block>
			
			<fo:block-container start-indent="2%">
				<xsl:attribute name="width">
						<xsl:choose>
							<xsl:when test="count(./tabledataset[1]/@*)=2">68%</xsl:when>
							<xsl:when test="count(./tabledataset[1]/@*)=3">78%</xsl:when>
							<xsl:when test="count(./tabledataset[1]/@*)=4">88%</xsl:when>
							<xsl:when test="count(./tabledataset[1]/@*)=5">100%</xsl:when>
							<xsl:otherwise>100%</xsl:otherwise>
						</xsl:choose>
				</xsl:attribute>
				<fo:block font-size="8pt" text-align="justify" end-indent='7%'
wrap-option="wrap">
					<xsl:value-of select="@caption" />
				</fo:block>
			</fo:block-container>
		</fo:block>
	
	
	</fo:block>
	</xsl:template>


Thanks and kind regards,
Mathis

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